/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:    

*

*/

#ifndef CMCECOMMESSAGESTREAM_H

#define CMCECOMMESSAGESTREAM_H

#include <e32std.h>         

#include "mcecommediastream.h"

#include <mcemessagestream.h>

class CMceComMessageCodec;

/**

 * 

 *

 * @lib 

 */

class CMceComMessageStream : public CMceComMediaStream

    {

public: // Constructors and destructor

    /**

    * Constructor

    */

    static CMceComMessageStream* NewL();

    /**

    * Constructor

    */

    static CMceComMessageStream* NewLC();

    /**

    * Destructor.

    */

    ~CMceComMessageStream();

public: // Functions

    /**

    * Removes codec from the stream.

    * @param aCodec codec to be added to the stream.

    *        Ownership is transferred.

    */

    void RemoveCodecL( CMceComCodec* aCodec );

	/**

	* Clears list of codecs and deletes each codec in it.

	*/

    void DestroyCodecs();    

    /**

    * Searches for codec matching with input codec instance or sdp name

    * @param aCodec the search term

    * @return matching codec or NULL if not found

    */

    CMceComCodec* FindCodecL( CMceComCodec& aCodec );

    /**

    * Adds codec to the stream.

    * @param aCodec codec to be added to the stream.

    *        Ownership is transferred.

    */    

     void AddCodecL( CMceComCodec* aCodec);

    /**

    * Returns the available codecs to the session.

    * @return codecs available for the session.

    */

    RPointerArray<CMceComMessageCodec>& Codecs();

    void ReorderCodecs();

    /**

    * Return pointer to codec from the list of codecs.

    * aIndex index of codec to get.

    */

    CMceComMessageCodec* CodecL( TInt aIndex ) const;

    /**

    * Returns number of codecs in the stream.

    */

    TInt CodecCount() const;

public: // from CMceComMediaStream

    /**

    * Internalizes flat data

    * @param aReadStream read stream

    */

    void InternalizeFlatL( RReadStream& aReadStream );

    /**

    * Externalizes flat data

    * @param aWriteStream write stream

    */

    void ExternalizeFlatL( RWriteStream& aWriteStream );

    /**

    * Internalizes

    * @param aReadStream read stream

    */

    void InternalizeL( MMceComSerializationContext& aSerCtx );

    /**

    * Externalizes

    * @param aWriteStream write stream

    */

    void ExternalizeL( MMceComSerializationContext& aSerCtx );

public://from CMceComMediaStream

    /**

    * Initializes 

    * @param aParent the parent

    */

    void InitializeL( CMceComSession& aParent );

    /**

    * Updates 

    * @param aStream new stream

    */

    void UpdateL( CMceComMediaStream& aStream );

    /**

    * Clones

    */

    CMceComMediaStream* CloneL();

#ifdef MCE_COMMON_SERVER_SIDE

    /**

    * Synchronizes stream's codecs

    * @param aRoleAnswerer is answerer

    */

    void SynchronizeL( TBool aRoleAnswerer );

    /**

    * Update default codec to reflect current negotiation

    */

    void UpdateDefaultCodecL();

    /**

    * Prepares stream for offer/answer

    */

    void PrepareL();

    /**

    * Return mcc stream type

    * @return mcc stream type

    */

    TInt MccStreamType() const;

    /**

    * Return mcc link type

    * @return mcc link type

    */

    TInt MccLinkType() const;

#endif//MCE_COMMON_SERVER_SIDE

public:

    TBool iUseMsrpPathAttrForHostAddrAndPort;

    CMceMessageStream::TConnSetup iConnSetup;

    TBool iMsrpConnUsage;

protected: // Functions

    /**

    * Constructor

    */

    CMceComMessageStream();

    /**

    * second-phase constructor

    */

    void ConstructL();

    /**

     * second-phase copy constructor

     */

    void ConstructL( CMceComMessageStream& aStream );    

protected: // Owned data

    /**

     * codecs

     */

    //The data path will not be handled in MCC for message type streams

    RPointerArray<CMceComMessageCodec> iCodecs;

    };

#endif